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02 / 05 · Mobile Apps
000Compiling Kotlin

Android

Native Android applications, engineered for every manufacturer's fork of the platform.

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ANR-free sessions99.7%
Cold start410ms
Median Play rating4.7/5
APK/AAB size28MB
The argument

An Android app is just a state, rendered honestly.

Each composable · a contract. Each state · a single source of truth. Each fragmentation · a tested edge case.
02 — Ecosystem

Android,
and the right neighbours.

UI toolkit/01
Jetpack Compose

Declarative UI, state-driven recomposition, no XML layouts. Our default for every new screen.

DeclarativeMaterial 3PreviewsCompose Multiplatform
Async / reactive/02
Coroutines + Flow

Structured concurrency, cancellation-safe by default.

SuspendStateFlow
Dependency injection/03
Hilt

Compile-time DI graph, scoped to Android components.

DIScopes
Persistence/04
Room

SQLite with compile-time checked queries, Flow-backed reads.

SQLiteDAOMigrations
Background jobs/05
WorkManager

Guaranteed, deferrable, battery-aware background execution.

SyncRetry
Backend services/06
Firebase

Push, analytics, crashlytics — wired from day one.

FCMCrashlytics
Design system/07
Material 3

Dynamic color, motion spec, adaptive layouts out of the box.

M3Dynamic color
Payments/08
Play Billing

Subscriptions, one-time purchases, grace periods, entitlements.

SubsIAP
Camera/09
CameraX

Consistent camera behaviour across chipsets and vendors.

CaptureAnalysis
Startup performance/10
Baseline Profiles

Pre-compiled hot paths shipped in the AAB; faster cold start on every device, not just yours. Measured, not assumed.

AOT hintsCold startMacrobenchmark
CI/CD & beta/11
Play Console + IAS

Internal App Sharing, staged rollouts, closed tracks — one pipeline.

TracksRollout
03 — What we build

Three shapes,
one toolkit.

01 — Consumer
Consumer
apps.

Play Store products. Growth loops, subscriptions, onboarding — wired to convert from day one.

  • →Onboarding · activation funnelsA/B
  • →Subscriptions · trials + grace periodPlay Billing
  • →Push · retention campaignsFCM
  • →Store listing · A/B experimentsPlay Console
com.acme.app
02 — Enterprise / B2B
Enterprise
apps.

Fleet-managed devices. MDM, SSO, managed distribution — deployed without the Play Store, if that's the constraint.

  • →SSO · SAML / OIDCOkta
  • →MDM · managed configsZero-touch
  • →Managed distribution · private trackPlay EMM
  • →Permissions · per role, per deviceRBAC
device status owner synced
03 — Wear & widgets
Wear &
widgets.

Wear OS companions, home-screen widgets, Android Auto — the surfaces beyond the app icon.

  • →Wear OS · companion tilesHorologist
  • →Home widgets · GlanceJetpack Glance
  • →Android Auto · media & navApp library
  • →Sync · phone ↔ watch stateData Layer
w1 w6 w12
/ Phase 01 · Discover

Listen first.

Stakeholder interviews, support tickets, session replays. We map the architecture by mapping the work.

Discovery docTech auditRisk map
SCOPE DEVICES OS TEAM RISK OUTCOME
app/src/main/ feature/onboarding feature/home feature/settings core/network core/designsystem core/database
spacing.sm: 4.dp shape.md: 8.dp spacing.md: 8.dp elevation.1: 2.dp spacing.lg: 16.dp motion.fast: 180ms
// PrimaryButton.kt @Composable fun PrimaryButton( label: String, onClick: () -> Unit ) { Button(onClick = onClick) { Text(label) } } → shipped to core/designsystem → previewed · @Preview → tested · compose test + a11y
w1 w6 w12 +42% activation
01
01
05
05 — Architecture

A request,
end to end.

// live · GET /v1/orders?status=open
Request Static
Client Compose · MVVM StateFlow UI Local cache Room · offline-first ~4ms read API layer Retrofit · OkHttp Auth · Interceptors Backend REST · Postgres Read replicas Observability Firebase Crashlytics Vitals · ANR traces
Client → Cache~4ms
Cache → API~18ms
API → Backend~35ms
Round-trip · p95180ms
06 — Numbers

Standards,
not anecdotes.

What every Android build leaves with — the floor, not the ceiling.

ANR-free sessions 0 vitals · across last 12 builds
#StandardFloorMethod
01 ANR-free sessionsPlay vitals · p50 0% Play Console
02 APK / AAB sizedownload size 0MB bundletool
03 Cold startp50 0ms Macrobenchmark
04 Test coverageunit + instrumented 0% Kover
05 Critical a11y issuesTalkBack audited 0 Accessibility Scanner
06 Median design → internal trackfeature-to-feature 0d linear
08 — Engagement

Three ways
to start.

01 / Sprint2 weeks
Diagnostic
sprint.
flatfixed scope
  • →Tech audit · current Android stack
  • →Architecture proposal
  • →Risk & device-fragmentation map
  • →Live walkthrough · written report
Book a sprint →
02 / MVP— Most chosen
MVP ship.
retainer4–8 weeks
  • →One Play Store surface, end to end
  • →Auth · Billing · Crashlytics wired
  • →Design system seed · Compose components
  • →CI/CD · internal track · runbook
  • →Two rounds of post-launch iteration
Start an MVP →
03 / Build12+ weeks
Ground-up
platform.
retainerquarterly
  • →Multi-surface platform
  • →Consumer app + internal/enterprise app
  • →Embedded design partner
  • →Hand-off plan, onboarded team
Plan a build →
09 — Questions

Things people
actually ask.

We set a minSdk based on real usage data for your audience, not a guess, then test against a device matrix that spans the actual OEM skins your users run — Samsung One UI, Pixel stock, budget MediaTek devices included. Baseline Profiles and Macrobenchmark catch regressions before they ship, not after a 1-star review.
Compose by default — faster iteration, less boilerplate, better testability. We drop to Views only for legacy screens we're not rewriting yet, or specific interop cases (certain map SDKs, some ad networks). Compose and Views interop cleanly, so this is never a blocker.
We build against current Play policy from day one — target API level, data safety declarations, permissions justification, billing compliance. Pre-launch report and internal testing tracks catch policy flags before a public submission, so review isn't a surprise.
Adaptive layouts using window size classes, not fixed phone assumptions — so the same codebase reflows correctly on a folded screen, unfolded, or a 12" tablet. We test on the emulator's foldable and tablet profiles as a standard part of QA, not an afterthought.
Room as the local source of truth, with WorkManager handling deferred sync when connectivity returns. The UI reads from the local cache first — no spinners for data you already have. Conflict resolution strategy is scoped per feature, not bolted on generically.
You do. The repo, the signing keys, and the Play Console listing are yours from day one — delivered under a work-for-hire clause. We keep no embedded SDKs or licensing strings attached.
10 — Start

Let's build
something worth shipping.

Two-week diagnostic, four-week MVP, twelve-week ground-up. Bring the brief — we'll send a plan, not a pitch deck.

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Tweaks
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